{"product_id":"ucf306-30mm-4-bolt-flange-bearing-unit-heavy-duty","title":"UCF306 30mm 4-bolt flange bearing unit, heavy-duty set screw locking insert, cast iron F306 housing, wide inner ring, contact seal with slinger, 1\/8-27 NPT grease fitting, M14 bolts","description":"Single UCF306 30mm 4-bolt flange bearing unit\u003cbr\u003e\n✔️ Heavy-duty set screw lock, contact seal, 1\/8-27 NPT grease fitting\n\n\u003cp\u003eThis single UCF306 is a general-purpose 4-bolt flange bearing unit with a 30mm bore, cast iron F306 housing and wide inner ring. It's commonly used on conveyors, fans, and shaft support in light to heavy machinery.\u003c\/p\u003e\n\n✅ Model: UCF306 (UC306 compatible), 30mm I.D., wide inner ring\u003cbr\u003e\n✅ Insert: ball bearing, bearing steel insert, set screw locking\u003cbr\u003e\n✅ Housing: cast iron F306, 4-bolt flange, bolt size M14\u003cbr\u003e\n✅ Seals \u0026amp; lube: contact seal with slinger, relubrication, 1\/8-27 NPT grease fitting\u003cbr\u003e\n✅ Service: heavy duty, covers none, max temp 212°F, HTS 8483.20.40.40\u003cbr\u003e\n✅ Notes: sealed ball bearing standard; ceramic ball upgrades available on request\u003cbr\u003e\n\n\u003cp\u003e💡 What is a 4-bolt flange bearing unit used for in industrial shaft support applications?\nA quick answer: it holds and supports rotating shafts, keeping alignment while allowing relubrication and protection from contaminants.\n- Supports shafts in conveyors, gearboxes, fans and linear slide unit setups for reliable rotation\n- Uses sealed ball bearing designs and slinger seals to prevent dirt entry and extend service life\n- Allows easy replacement with set screw locking or adapter styles and routine relubrication maintenance\n\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47971484041451,"sku":"MRO12426","price":140.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/abd669519afb3466d6c56854a6a1fb79.jpg?v=1775242840","url":"https:\/\/vxb.com\/products\/ucf306-30mm-4-bolt-flange-bearing-unit-heavy-duty","provider":"VXB Bearings","version":"1.0","type":"link"}